YH

Yasushi Higashiyama

KT Kabushiki Kaisha Toshiba: 5 patents #5,683 of 21,451Top 30%
TO Toshiba: 1 patents #1,121 of 2,688Top 45%
Overall (All Time): #871,058 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
7603043 Light receiving element circuit and optical disk drive Masahiro Aoki, Masashi Ueno 2009-10-13
5784217 Magnetic recording and reproduction apparatus with selectively-enabled rotary heads Takanori Furusawa 1998-07-21
5532887 Magnetic recording and reproduction apparatus Takanori Furusawa 1996-07-02
5434720 Magnetic recording and reproduction apparatus with plural heads Takanori Furusawa, Akira Maekawa 1995-07-18
5276565 Rotary type magnetic recording and reproduction apparatus Takanori Furusawa 1994-01-04
4525828 Optical magnetic recording device Shu Chiba, Norikazu Sawazaki 1985-06-25